DongEun Koak / NetworkSocketAPI

NetworkSocketAPI

Dependencies:   DnsQuery

Dependents:   HelloWizFi250Interface

Fork of NetworkSocketAPI by NetworkSocketAPI

TCPServer.cpp@111:df01ca3e89b3, 2016-04-20 (annotated)

Committer:
Christopher Haster
Date:
Wed Apr 20 02:56:07 2016 -0500
Revision:
111:df01ca3e89b3
Parent:
105:2fd212f8da61
Child:
115:950b19eb0f02
Add workaround for bug in newlib scanf



https://bugs.launchpad.net/gcc-arm-embedded/+bug/1399224

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Christopher Haster 89:b1d417383c0d 1 /* Socket
Christopher Haster 89:b1d417383c0d 2 * Copyright (c) 2015 ARM Limited
Christopher Haster 89:b1d417383c0d 3 *
Christopher Haster 89:b1d417383c0d 4 * Licensed under the Apache License, Version 2.0 (the "License");
Christopher Haster 89:b1d417383c0d 5 * you may not use this file except in compliance with the License.
Christopher Haster 89:b1d417383c0d 6 * You may obtain a copy of the License at
Christopher Haster 89:b1d417383c0d 7 *
Christopher Haster 89:b1d417383c0d 8 * http://www.apache.org/licenses/LICENSE-2.0
Christopher Haster 89:b1d417383c0d 9 *
Christopher Haster 89:b1d417383c0d 10 * Unless required by applicable law or agreed to in writing, software
Christopher Haster 89:b1d417383c0d 11 * distributed under the License is distributed on an "AS IS" BASIS,
Christopher Haster 89:b1d417383c0d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Christopher Haster 89:b1d417383c0d 13 * See the License for the specific language governing permissions and
Christopher Haster 89:b1d417383c0d 14 * limitations under the License.
Christopher Haster 89:b1d417383c0d 15 */
Christopher Haster 89:b1d417383c0d 16
Christopher Haster 89:b1d417383c0d 17 #include "TCPServer.h"
Christopher Haster 89:b1d417383c0d 18 #include "Timer.h"
Christopher Haster 89:b1d417383c0d 19
Christopher Haster 90:0a988e4abb72 20 TCPServer::TCPServer()
Christopher Haster 90:0a988e4abb72 21 {
Christopher Haster 90:0a988e4abb72 22 }
Christopher Haster 90:0a988e4abb72 23
Christopher Haster 105:2fd212f8da61 24 TCPServer::TCPServer(NetworkStack *iface)
Christopher Haster 89:b1d417383c0d 25 {
Christopher Haster 90:0a988e4abb72 26 open(iface);
Christopher Haster 90:0a988e4abb72 27 }
Christopher Haster 90:0a988e4abb72 28
Christopher Haster 105:2fd212f8da61 29 int TCPServer::open(NetworkStack *iface)
Christopher Haster 90:0a988e4abb72 30 {
Christopher Haster 90:0a988e4abb72 31 return Socket::open(iface, NSAPI_TCP);
Christopher Haster 89:b1d417383c0d 32 }
Christopher Haster 89:b1d417383c0d 33
Christopher Haster 89:b1d417383c0d 34 int TCPServer::listen(int backlog)
Christopher Haster 89:b1d417383c0d 35 {
Christopher Haster 89:b1d417383c0d 36 if (!_socket) {
Christopher Haster 89:b1d417383c0d 37 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 89:b1d417383c0d 38 }
Christopher Haster 89:b1d417383c0d 39
Christopher Haster 89:b1d417383c0d 40 return _iface->socket_listen(_socket, backlog);
Christopher Haster 89:b1d417383c0d 41 }
Christopher Haster 89:b1d417383c0d 42
Christopher Haster 89:b1d417383c0d 43 int TCPServer::accept(TCPSocket *connection)
Christopher Haster 89:b1d417383c0d 44 {
Christopher Haster 89:b1d417383c0d 45 mbed::Timer timer;
Christopher Haster 89:b1d417383c0d 46 timer.start();
Christopher Haster 89:b1d417383c0d 47
Christopher Haster 90:0a988e4abb72 48 if (connection->_socket) {
Christopher Haster 90:0a988e4abb72 49 connection->close();
Christopher Haster 90:0a988e4abb72 50 }
Christopher Haster 89:b1d417383c0d 51
Christopher Haster 89:b1d417383c0d 52 while (true) {
Christopher Haster 89:b1d417383c0d 53 if (!_socket) {
Christopher Haster 89:b1d417383c0d 54 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 89:b1d417383c0d 55 }
Christopher Haster 89:b1d417383c0d 56
Christopher Haster 90:0a988e4abb72 57 void *socket;
Christopher Haster 93:65a9f84862f0 58 int err = _iface->socket_accept(&socket, _socket);
Christopher Haster 93:65a9f84862f0 59 if (!err) {
Christopher Haster 89:b1d417383c0d 60 connection->_socket = socket;
Christopher Haster 89:b1d417383c0d 61 }
Christopher Haster 89:b1d417383c0d 62
Christopher Haster 89:b1d417383c0d 63 if (err != NSAPI_ERROR_WOULD_BLOCK || !_blocking ||
Christopher Haster 89:b1d417383c0d 64 (_timeout && timer.read_ms() > _timeout)) {
Christopher Haster 89:b1d417383c0d 65 return err;
Christopher Haster 89:b1d417383c0d 66 }
Christopher Haster 89:b1d417383c0d 67 }
Christopher Haster 89:b1d417383c0d 68 }